Implantable Cardioverter Defibrillator (ICD) Devices

An implantable cardioverter-defibrillator (ICD) is a device placed in the chest to reduce the risk of death if the lower chambers of the heart (ventricles) go into a dangerous rhythm and stop beating effectively (cardiac arrest). Implantable cardioverter-defibrillators (ICDs) improve survival of patients at increased risk of sudden cardiac death (SCD). Cardiac Resynchronization Therapy (CRT) is an implantable device that resynchronizes the contractions of the heart’s ventricles by sending tiny electrical impulses to the heart muscle, which can help the heart pump blood throughout the body more efficiently. CRTs resynchronization capabilities are particularly relevant to heart failure patients. This document provides an overview of these products and current evidence regarding their use.

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